Woodhall Spa is a former spa town and also civil parish in Lincolnshire, England, on the southern side of the Lincolnshire Wolds, 6 miles (10 kilometres) south-west of Horncastle, 23 miles (37 kilometres) west of Skegness, 15 miles (24 kilometres) east-south-east of Lincoln as well as 17 miles (27 kilometres) north-west of Boston. It is noted for its mineral springs, cinema and also its Second World War association with the RAF 617 Squadron. The cinema has the last remaining rear display projector in the country. Much of the village's Victorian beauty remains, and also because January 1991 much of the centre has been a marked conservation area.